Home / 179,364.33-247,617.77-138,987.45

Finding the Fourth Proportional to 179,364.33, 247,617.77 and 138,987.45

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Solution

The fourth proportional to 179,364.33, 247,617.77 and 138,987.45 is: 191,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,364.33 : 247,617.77 = 138,987.45 : x
  2. Step 2: Convert to fraction form
    179,364.33/247,617.77 = 138,987.45/x
  3. Step 3: Cross multiply
    179,364.33x = 247,617.77 × 138,987.45
  4. Step 4: Simplify right side
    179,364.33x = 34,415,761,732.05
  5. Step 5: Solve for x
    x = 34,415,761,732.05/179,364.33
  6. Step 6: Final answer
    x = 191,876.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.